- 2020-04-21 3.39

    * fix method isQuoted() when the string is fewer than 2 chars.
    * new method isVariablePHP()

README.md

@@ -1061,6 +1061,34 @@ $obj=new BladeOne();
 $url=$obj->addAssetDict('css/style.css','http://....'); 
 ```
 
+## Util methods
+
+It is a collection of methods not used directly by the end user but used in some functionalities.
+
+### stripQuotes
+
+Return true if the string is a php variable (it starts with $)
+
+### addInsideQuote
+
+Execute the user defined extensions.
+
+### isQuoted
+
+Returns true if the text is surrounded by quotes (double or single quote)
+
+### isVariablePHP
+
+Return true if the string is a php variable (it starts with $)
+
+### stripParentheses
+
+Strip the parentheses from the given expression.
+
+### startsWith
+
+Determine if a given string starts with a given substring.
+
 
 ## Extensions Libraries (optional)
 
@@ -1190,7 +1218,9 @@ You could download it or add it via Composer
 
 
 ## Version
-
+- 2020-04-21 3.39
+    * fix method isQuoted() when the string is fewer than 2 chars.
+    * new method isVariablePHP()
 - 2020-04-20 3.38.1   
     * fix in method parseArgs() when it returns a single array  
 - 2020-04-20 3.38  

composer.json

@@ -2,7 +2,7 @@
   "name": "eftec/bladeone",
   "description": "The standalone version Blade Template Engine from Laravel in a single php file",
   "type": "library",
-  "version": "3.38.1",
+  "version": "3.39",
   "keywords": [
     "blade",
     "template",

lib/BladeOne.php

@@ -20,7 +20,7 @@
  * @copyright Copyright (c) 2016-2019 Jorge Patricio Castro Castillo MIT License.
  *            Don't delete this comment, its part of the license.
  *            Part of this code is based in the work of Laravel PHP Components.
- * @version   3.38.1
+ * @version   3.39
  * @link      https://github.com/EFTEC/BladeOne
  */
 class BladeOne
@@ -1898,7 +1898,7 @@ public function stripQuotes($text)
      * @param $newFragment
      * @return string
      */
-    protected function addInsideQuote($quoted, $newFragment)
+    public function addInsideQuote($quoted, $newFragment)
     {
         if ($this->isQuoted($quoted)) {
             return substr($quoted, 0, -1).$newFragment.substr($quoted, -1);
@@ -1908,7 +1908,7 @@ protected function addInsideQuote($quoted, $newFragment)
     /**
      * Returns true if the text is surrounded by quotes (double or single quote)
      *
-     * @param $text
+     * @param string|null $text
      * @return bool
      */
     public function isQuoted($text)
@@ -1921,6 +1921,20 @@ public function isQuoted($text)
         }
         return  (substr($text, 0, 1) === "'" && substr($text, -1) === "'");
     }
+
+    /**
+     * Return true if the string is a php variable (it starts with $)
+     *
+     * @param string|null $text
+     * @return bool
+     */
+    public function isVariablePHP($text)
+    {
+        if (!$text || strlen($text)<2) {
+            return false;
+        }
+        return substr($text, 0, 1) === '$';
+    }
     /**
      * Execute the user defined extensions.
      *
@@ -2055,7 +2069,7 @@ protected function compileStatements($value)
             }
             return isset($match[3]) ? $match[0] : $match[0] . $match[2];
         };
-        /* return \preg_replace_callback('/\B@(@?\w+)([ \t]*)(\( ( (?>[^()]+) | (?3) )* \))?/x', $callback, $value); */         
+        /* return \preg_replace_callback('/\B@(@?\w+)([ \t]*)(\( ( (?>[^()]+) | (?3) )* \))?/x', $callback, $value); */
         return preg_replace_callback('/\B@(@?\w+(?:::\w+)?)([ \t]*)(\( ( (?>[^()]+) | (?3) )* \))?/x', $callback, $value);
     }
 

tests/OtherTest.php

@@ -29,5 +29,20 @@ public function test2()
 
 
         $this->assertEquals($compare, $arr);
+        $this->assertEquals(true, $this->blade->isQuoted("'aaa'"));
+        $this->assertEquals(false, $this->blade->isQuoted("aaa'"));
+        $this->assertEquals(true, $this->blade->isQuoted('"aaa"'));
+        $this->assertEquals(false, $this->blade->isQuoted(''));
+        $this->assertEquals(false, $this->blade->isQuoted('"'));
+        $this->assertEquals(false, $this->blade->isQuoted(null));
+        $this->assertEquals(false, $this->blade->isVariablePHP('aaa'));
+        $this->assertEquals(true, $this->blade->isVariablePHP('$aaa'));
+        $this->assertEquals(false, $this->blade->isVariablePHP(''));
+        $this->assertEquals(false, $this->blade->isVariablePHP(null));
+        $this->assertEquals(false, $this->blade->isVariablePHP('$'));
+        $this->assertEquals('"aaabcd"', $this->blade->addInsideQuote('"aaa"', "bcd"));
+        $this->assertEquals('aaa"bcd', $this->blade->addInsideQuote('aaa"', "bcd"));
+        $this->assertEquals('bcd', $this->blade->addInsideQuote('', "bcd"));
+        $this->assertEquals('"bcd"', $this->blade->addInsideQuote('""', "bcd"));
     }
 }